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doc: update components, porting guide, README

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Christian Helmuth
2015-08-28 15:33:41 +02:00
parent f4cadb8406
commit 41be88667f
3 changed files with 30 additions and 30 deletions
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39
doc/components.txt
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@@ -28,7 +28,7 @@ of them is briefly characterized as follows:
via core's IO_MEM, IO_PORT, and IRQ services. The functionality of
the driver is made available to other system components by announcing
one of Genode's device-independent session interfaces, which are
'pci_session', 'framebuffer_session', 'input_session', 'block_session',
'platform_session', 'framebuffer_session', 'input_session', 'block_session',
'audio_out_session', 'log_session', 'nic_session', and 'timer_session'
(see 'os/include/' for the interface definitions). Those interfaces are
uniform across hardware platforms and kernel base platforms. Usually,
@@ -67,20 +67,17 @@ repositories. The most predominant repositories hosting device drivers are
Platform devices
================
:'os/src/drivers/platform/': Platform drivers for various ARM boards.
:'os/src/drivers/pci':
Implements the PCI-session interface using the PCI controller as found on
x86 PC hardware. Using this interface, a client can probe for a particular
device and request information about physical device resources (using the
'pci_device' interface). I/O resources for MMIO regions, I/O ports, and
interrupts can be requested by the provided PCI device abstraction.
:'os/src/drivers/platform/': Platform drivers for various platforms.
On x86, the platform driver uses the PCI controller as found on x86 PC
hardware. A client can probe for a particular device and request information
about physical device resources (using the 'platform_device' interface). I/O
resources for MMIO regions, I/O ports, and interrupts can be requested by the
provided device abstraction.
:'os/src/drivers/acpi':
On x86 platforms that use the APIC (namely Fiasco.OC, NOVA, and hw_x86_64)
this simple ACPI parser traverses the ACPI tables and updates interrupt line
information of PCI devices within the PCI config space. It uses the pci_drv as
a utility started as a child and exports its interface.
this simple ACPI parser traverses the ACPI tables and reports device-resource
information (e.g., interrupt lines of PCI devices).
UART devices
@@ -180,16 +177,17 @@ provided by the kernel, or a pseudo time source (busy):
:'linux': nanosleep as time source
Audio output drivers
====================
Audio drivers
=============
All audio-output drivers implement the audio session interface defined at
'os/include/audio_out_session/'.
Audio drivers implement the Audio_out session interface defined at
'os/include/audio_out_session/' for playback and optionally the audio_in
interface for recording.
:'os/src/drivers/audio_out/linux':
Uses ALSA as back-end on the Linux base platform.
:'os/src/drivers/audio/linux':
Uses ALSA as back-end on the Linux base platform and supports only playback.
:'dde_bsd/src/drivers/audio_out':
:'dde_bsd/src/drivers/audio':
Sound drivers ported from OpenBSD. Currently, the repository
includes support for Intel HD Audio as well as for Ensoniq AudioPCI
(ES1370) compatible sound cards.
@@ -262,6 +260,9 @@ General-purpose I/O drivers
:'os/src/drivers/gpio/imx53':
Driver for accessing the GPIO pins of i.MX53 platforms.
:'os/src/drivers/gpio/rpi':
Driver for accessing the GPIO pins of Raspberry Pi platforms.
Resource multiplexers
#####################